$black: #000;
$white: #fff;
$blue: #218ff0;
$gray: #40464d;
$dark-gray: #2a2e33;
$light-gray: #6c7580;
$tip-gray: #ccc;

$font12: 12px;
$font13: 13px;
$font14: 14px;
$font16: 16px;
$font20: 20px;

@mixin line-height($height) {
  height: $height;
  line-height: $height;
}
